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<div class="title">tweening.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160; </div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="preprocessor">#include &lt;cstdint&gt;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceblit.html">blit</a> {</div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160; <span class="keyword">const</span> uint32_t LINEAR = 1UL &lt;&lt; 0;</div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="structblit_1_1Tween.html"> 9</a></span>&#160; <span class="keyword">struct </span><a class="code" href="structblit_1_1Tween.html">Tween</a> {</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; <span class="keyword">using</span> TweenFunction = std::function&lt;float(uint32_t t, <span class="keywordtype">float</span> b, <span class="keywordtype">float</span> c, uint32_t d)&gt;;</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; TweenFunction <span class="keyword">function</span> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="keywordtype">float</span> from = 0.0f;</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="keywordtype">float</span> to = 1.0f;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="keywordtype">float</span> value = 0.0f;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; uint32_t duration = 0;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; int32_t loops = -1;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; int32_t loop_count = 0;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; uint32_t started = 0;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; uint32_t paused = 0; <span class="comment">// time when tween was paused</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keyword">enum</span> state {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; UNINITIALISED,</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; STOPPED,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; RUNNING,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; PAUSED,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; FINISHED</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; };</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; uint8_t state = UNINITIALISED;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordtype">void</span> <a class="code" href="structblit_1_1Tween.html#a1b34ddbae57f5497e918668c2671a696">init</a>(TweenFunction <span class="keyword">function</span>, <span class="keywordtype">float</span> <a class="code" href="structblit_1_1Tween.html#a2ec25aa7fc870afff57c8e55ba2e2647">start</a>, <span class="keywordtype">float</span> end, uint32_t duration, int32_t loops = -1);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordtype">void</span> <a class="code" href="structblit_1_1Tween.html#a2ec25aa7fc870afff57c8e55ba2e2647">start</a>();</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordtype">void</span> <a class="code" href="structblit_1_1Tween.html#ae3b69926552d4027190ce01583a86f6b">pause</a>();</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordtype">void</span> <a class="code" href="structblit_1_1Tween.html#a35b4a2faa41bbb5190998079b9cb5a8f">stop</a>();</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keywordtype">bool</span> is_running() { <span class="keywordflow">return</span> this-&gt;state == RUNNING; }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keywordtype">bool</span> is_paused() { <span class="keywordflow">return</span> this-&gt;state == PAUSED; }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordtype">bool</span> is_stopped() { <span class="keywordflow">return</span> this-&gt;state == STOPPED; }</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordtype">bool</span> is_finished() { <span class="keywordflow">return</span> this-&gt;state == FINISHED; }</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="structblit_1_1Tween.html">Tween</a>();</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <a class="code" href="structblit_1_1Tween.html">Tween</a>(TweenFunction <span class="keyword">function</span>, <span class="keywordtype">float</span> <a class="code" href="structblit_1_1Tween.html#a2ec25aa7fc870afff57c8e55ba2e2647">start</a>, <span class="keywordtype">float</span> end, uint32_t duration, int32_t loops = -1);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; ~<a class="code" href="structblit_1_1Tween.html">Tween</a>();</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; };</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">extern</span> std::vector&lt;Tween *&gt; tweens;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">void</span> <a class="code" href="namespaceblit.html#a97568178049584b390b7305192cbea4a">update_tweens</a>(uint32_t time);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordtype">float</span> tween_sine(uint32_t t, <span class="keywordtype">float</span> b, <span class="keywordtype">float</span> c, uint32_t d);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordtype">float</span> tween_linear(uint32_t t, <span class="keywordtype">float</span> b, <span class="keywordtype">float</span> c, uint32_t d);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordtype">float</span> tween_ease_in_quad(uint32_t t, <span class="keywordtype">float</span> b, <span class="keywordtype">float</span> c, uint32_t d);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordtype">float</span> tween_ease_out_quad(uint32_t t, <span class="keywordtype">float</span> b, <span class="keywordtype">float</span> c, uint32_t d);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordtype">float</span> tween_ease_in_out_quad(uint32_t t, <span class="keywordtype">float</span> b, <span class="keywordtype">float</span> c, uint32_t d);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;}</div>
<div class="ttc" id="anamespaceblit_html"><div class="ttname"><a href="namespaceblit.html">blit</a></div><div class="ttdef"><b>Definition:</b> audio.cpp:10</div></div>
<div class="ttc" id="anamespaceblit_html_a97568178049584b390b7305192cbea4a"><div class="ttname"><a href="namespaceblit.html#a97568178049584b390b7305192cbea4a">blit::update_tweens</a></div><div class="ttdeci">void update_tweens(uint32_t time)</div><div class="ttdef"><b>Definition:</b> tweening.cpp:113</div></div>
<div class="ttc" id="astructblit_1_1Tween_html"><div class="ttname"><a href="structblit_1_1Tween.html">blit::Tween</a></div><div class="ttdef"><b>Definition:</b> tweening.hpp:9</div></div>
<div class="ttc" id="astructblit_1_1Tween_html_a1b34ddbae57f5497e918668c2671a696"><div class="ttname"><a href="structblit_1_1Tween.html#a1b34ddbae57f5497e918668c2671a696">blit::Tween::init</a></div><div class="ttdeci">void init(TweenFunction function, float start, float end, uint32_t duration, int32_t loops=-1)</div><div class="ttdef"><b>Definition:</b> tweening.cpp:37</div></div>
<div class="ttc" id="astructblit_1_1Tween_html_a2ec25aa7fc870afff57c8e55ba2e2647"><div class="ttname"><a href="structblit_1_1Tween.html#a2ec25aa7fc870afff57c8e55ba2e2647">blit::Tween::start</a></div><div class="ttdeci">void start()</div><div class="ttdef"><b>Definition:</b> tweening.cpp:49</div></div>
<div class="ttc" id="astructblit_1_1Tween_html_a35b4a2faa41bbb5190998079b9cb5a8f"><div class="ttname"><a href="structblit_1_1Tween.html#a35b4a2faa41bbb5190998079b9cb5a8f">blit::Tween::stop</a></div><div class="ttdeci">void stop()</div><div class="ttdef"><b>Definition:</b> tweening.cpp:77</div></div>
<div class="ttc" id="astructblit_1_1Tween_html_ae3b69926552d4027190ce01583a86f6b"><div class="ttname"><a href="structblit_1_1Tween.html#ae3b69926552d4027190ce01583a86f6b">blit::Tween::pause</a></div><div class="ttdeci">void pause()</div><div class="ttdef"><b>Definition:</b> tweening.cpp:67</div></div>
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